Mariner Mini PWC Fire Extinguisher This fire extinguisher is suitable for use on Class B (liquids & gases) and CLass C (energized electrical equipment) fires. It has an easy to read gauge that tells you if the fire extinguisher is charged and ready for use. On the fire extinguisher it shows clear instruction label using graphics to show steps required to operate extinguisher. The regular dry chemical Sodium Bicarbonate is UL listed and UL rated 5-B:C. Features UL listed; 6 year limited warranty; Sodium Bicarbonate; UL rated 5-B:C (liquids & gases),(energized electrical equipment); UL approved bracket; Clear instruction label; Easy to read gauge, at a glance; Rust and impact resistant; Easy to pull safety pin ; Specifications Net weight: 2.0 lb.; Unit weight: 2.75 lb.; Diameter: 2.9 inches; Height: 12.02 inches; Discharge time: 8-10 seconds; Discharge range: 8-12 feet; Operating pressure: 100 psi; Cylinder: Seamless aluminum; Valve, handle, lever: Aluminum and stainless steel; Strap Bracket: USCG approved ;